A passenger returns to Australia at Perth airport with a big hangover, and a bag search reveals he's carrying knives. He insists he simply forgot, but an inspection of his hard drive leads to the discovery of something shocking and illegal. A package containing car parts arriving from Ecuador has Customs officers immediately concerned. These parts are very cheap so why would someone bother with this expensive postage? And when a family of three arrives from China, a dog unit picks up an undeclared banana. But that's not all quarantine officers find!